Finding the Fourth Proportional to 11,212,785, 16,817,471.64 and 3,124,909.08
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Solution
The fourth proportional to 11,212,785, 16,817,471.64 and 3,124,909.08 is: 4,686,888.21
Step by Step Solution
- Step 1: Write the proportion equation
11,212,785 : 16,817,471.64 = 3,124,909.08 : x - Step 2: Convert to fraction form
11,212,785/16,817,471.64 = 3,124,909.08/x - Step 3: Cross multiply
11,212,785x = 16,817,471.64 × 3,124,909.08 - Step 4: Simplify right side
11,212,785x = 52,553,069,830,478.49 - Step 5: Solve for x
x = 52,553,069,830,478.49/11,212,785 - Step 6: Final answer
x = 4,686,888.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.